Main country
Poland
635 people
54.3% of total
Surname
Koczan
1,170 worldwide · 21 countries
1,170
Total population
21
Countries
1 in every 6,923,077
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Poland
635
54.3%
2
United States
292
25%
3
Austria
47
4%
4
Romania
43
3.7%
5
Slovakia
37
3.2%
World distribution
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